package cn.kent.netty.base.eventLoop;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.*;

/**
 * 测试 {@link java.util.concurrent.Future}
 * 便于和netty提供的作比对
 *
 *
 * Future: 类似存储数据的容器
 */
@Slf4j
public class TestJdkFuture {
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        // 1. 线程池
        ExecutorService service = Executors.newFixedThreadPool(2);
        // 2. 提交任务
        Future<Integer> future = service.submit(new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
                log.debug("执行计算");
                Thread.sleep(1000);
                return 50;
            }
        });

        //3. 主线程通过get方法获取结果
        log.debug("等待结果");
        log.debug("结果是: {}", future.get());

    }
}
